Part Details | LINEAR-ROTARY MOTION ROLLER
3120-00-756-5311 A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; and friction bearings. See also CAM FOLLOWER, NEEDLE BEARING.
Alternate Parts: 7791785, 7791785, 3120-00-756-5311, 00-756-5311, 3120007565311, 007565311
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 31 | JAN 01, 1960 | 00-756-5311 | 28215 ( ROLLER, LINEAR-ROTARY MOTION ) |
REFERENCE DRAWINGS & PICTURES
PLAIN, COUNTERBORED
Cross Reference | NSN 3120-00-756-5311
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7791785 | 19205 | SPRINGFIELD ARMORY |
| 7791785 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 3120-00-756-5311
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| METALLIC HARDNESS RATING | 78.5 MINIMUM ROCKWELL A AND 81.0 MAXIMUM ROCKWELL A |
| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| STYLE DESIGNATOR | PLAIN, COUNTERBORED |
| COUNTERBORE DIAMETER | 0.388 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 0.095 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM |
| FACE WIDTH | 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| BORE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |